IT1031599B - MAGNETIC ACTUATOR IN PARTICULAR FOR KEYBOARDS FOR ENTERING DATA - Google Patents

MAGNETIC ACTUATOR IN PARTICULAR FOR KEYBOARDS FOR ENTERING DATA

Info

Publication number
IT1031599B
IT1031599B IT20109/75A IT2010975A IT1031599B IT 1031599 B IT1031599 B IT 1031599B IT 20109/75 A IT20109/75 A IT 20109/75A IT 2010975 A IT2010975 A IT 2010975A IT 1031599 B IT1031599 B IT 1031599B
Authority
IT
Italy
Prior art keywords
keyboards
magnetic actuator
entering data
entering
actuator
Prior art date
Application number
IT20109/75A
Other languages
Italian (it)
Original Assignee
Ibm
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ibm filed Critical Ibm
Application granted granted Critical
Publication of IT1031599B publication Critical patent/IT1031599B/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M11/00—Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys
    • H03M11/02—Details
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/0202—Constructional details or processes of manufacture of the input device
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/965—Switches controlled by moving an element forming part of the switch
    • H03K17/97—Switches controlled by moving an element forming part of the switch using a magnetic movable element
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/965—Switches controlled by moving an element forming part of the switch
    • H03K17/97—Switches controlled by moving an element forming part of the switch using a magnetic movable element
    • H03K17/972—Switches controlled by moving an element forming part of the switch using a magnetic movable element having a plurality of control members, e.g. keyboard
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/965—Switches controlled by moving an element forming part of the switch
    • H03K17/97—Switches controlled by moving an element forming part of the switch using a magnetic movable element
    • H03K2017/9706—Inductive element

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Push-Button Switches (AREA)
  • Input From Keyboards Or The Like (AREA)
IT20109/75A 1974-04-08 1975-02-11 MAGNETIC ACTUATOR IN PARTICULAR FOR KEYBOARDS FOR ENTERING DATA IT1031599B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US458609A US3911429A (en) 1974-04-08 1974-04-08 Self-energized magnetic keys

Publications (1)

Publication Number Publication Date
IT1031599B true IT1031599B (en) 1979-05-10

Family

ID=23821442

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20109/75A IT1031599B (en) 1974-04-08 1975-02-11 MAGNETIC ACTUATOR IN PARTICULAR FOR KEYBOARDS FOR ENTERING DATA

Country Status (6)

Country Link
US (1) US3911429A (en)
JP (1) JPS5198919A (en)
DE (1) DE2514131C3 (en)
FR (1) FR2266918B1 (en)
GB (1) GB1472845A (en)
IT (1) IT1031599B (en)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4028696A (en) * 1976-01-26 1977-06-07 Illinois Tool Works Inc. Double depression magnetic keyswitch
US4121048A (en) * 1977-07-28 1978-10-17 Ncr Corporation Multiple shift electronic keyboard
US4268814A (en) * 1978-10-26 1981-05-19 Texas Instruments Incorporated Solid state keyboard
DE7908408U1 (en) * 1979-03-26 1979-06-21 Siemens Ag, 1000 Berlin Und 8000 Muenchen Key head for fast typing keys
US4283714A (en) * 1979-08-08 1981-08-11 Texas Instruments Incorporated Magnetic keyboard system
DE3008562C2 (en) * 1980-03-06 1982-03-11 Fa. Dr. Eugen Dürrwächter DODUCO, 7530 Pforzheim Magnetic proximity switch
DE3008527C2 (en) * 1980-03-06 1982-04-29 Fa. Dr. Eugen Dürrwächter DODUCO, 7530 Pforzheim Circuit arrangement for the digital remote transmission of signals
DE3008583C2 (en) * 1980-03-06 1987-01-15 Doduco KG Dr. Eugen Dürrwächter, 7530 Pforzheim Pulse transformer for firing thyristors and triacs
DE3008526C2 (en) * 1980-03-06 1981-11-26 Fa. Dr. Eugen Dürrwächter DODUCO, 7530 Pforzheim DC limit switch
US4398180A (en) * 1980-06-26 1983-08-09 International Standard Electric Corporation Contactless keyboard
US4379973A (en) * 1981-05-20 1983-04-12 C & K Components, Inc. Universal logic switch
DE3203133C2 (en) * 1982-01-30 1991-06-27 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Method of manufacturing a magnetic wire
DE3225500A1 (en) * 1982-07-08 1984-01-12 Doduco KG Dr. Eugen Dürrwächter, 7530 Pforzheim MAGNETIC PROBE
DE3225499C2 (en) * 1982-07-08 1984-05-24 Doduco KG Dr. Eugen Dürrwächter, 7530 Pforzheim Magnetic proximity sensor
DE3247210C2 (en) * 1982-12-21 1987-03-19 Gesellschaft für Hydraulik-Zubehör mbH, 6603 Sulzbach Switch
DE3302084C2 (en) * 1983-01-22 1986-03-06 Doduco KG Dr. Eugen Dürrwächter, 7530 Pforzheim Inductive rotary encoder
DE3326135A1 (en) * 1983-07-20 1985-01-31 Doduco KG Dr. Eugen Dürrwächter, 7530 Pforzheim Rotary transducer
DE3340600C1 (en) * 1983-11-10 1985-01-10 Doduco KG Dr. Eugen Dürrwächter, 7530 Pforzheim Read head for magnetic scanning of Wiegand wires
HU194440B (en) * 1983-11-30 1988-01-28 Szamitastech Koord Push-button structure with non-linear characteristic curve of displacement-pressure
DE3406871C2 (en) * 1984-02-25 1987-01-02 Doduco KG Dr. Eugen Dürrwächter, 7530 Pforzheim Magnetic field sensor
DE3408478C1 (en) * 1984-03-08 1985-01-10 Doduco KG Dr. Eugen Dürrwächter, 7530 Pforzheim Device for the incremental measurement of rotation angles or length
DE3424149C2 (en) * 1984-06-30 1986-07-24 Doduco KG Dr. Eugen Dürrwächter, 7530 Pforzheim Method for operating Wiegand wires applied in a sequence to a data carrier as a memory for digitized information
DE3427582C2 (en) * 1984-07-26 1986-11-27 Doduco KG Dr. Eugen Dürrwächter, 7530 Pforzheim Procedure for triggering Wiegand pulses
SE452082B (en) * 1986-12-15 1987-11-09 Inter Innovation Ab DATA COMMUNICATION MANUAL
US4853666A (en) * 1987-05-29 1989-08-01 Mannesmann Kienzle Gmbh Push button for an inductive value input keyboard
FR2672133A1 (en) * 1991-01-24 1992-07-31 Realisa Indles Cales Et Position detector
US5266917A (en) * 1991-11-12 1993-11-30 Xolox Corporation Linear magnetic sensing device
DE4224129A1 (en) * 1992-07-22 1994-01-27 Duerrwaechter E Dr Doduco Inductive rotary encoder
US5615393A (en) * 1993-03-15 1997-03-25 Elonex I.P. Holdings Ltd. Computer system having a cordless keyboard and an induction coil in a plug-in electronic card module
DE4342069C2 (en) * 1993-12-02 2000-02-24 Walter Mehnert Position detector
ES2118302T3 (en) * 1993-12-02 1998-09-16 Walter Dr Mehnert POSITION DETECTOR.
US20140176159A1 (en) * 2011-05-27 2014-06-26 Sorin Pintiliuc Inductive touch key switch system including a deflection translation mechanism
US20160064172A1 (en) * 2014-09-02 2016-03-03 Delta Systems, Inc. Plunger switch assembly and method of operation
FR3036842B1 (en) * 2015-05-27 2019-01-25 Zodiac Aero Electric UNIVERSAL HALL EFFECT CONTROL BUTTON FOR MAN-MACHINE INTERFACE AND HUMAN-MACHINE INTERFACE PROVIDED WITH SUCH CONTROL BUTTON
US10394342B2 (en) * 2017-09-27 2019-08-27 Facebook Technologies, Llc Apparatuses, systems, and methods for representing user interactions with real-world input devices in a virtual space
CN108511242B (en) * 2018-02-27 2019-12-24 维沃移动通信有限公司 Mobile terminal

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4916674B1 (en) * 1968-09-13 1974-04-24
US3698531A (en) * 1970-10-26 1972-10-17 Illinois Tool Works Solid state switch
JPS4916774B1 (en) * 1970-12-23 1974-04-24
JPS4912016A (en) * 1972-05-16 1974-02-02

Also Published As

Publication number Publication date
DE2514131C3 (en) 1978-11-30
FR2266918B1 (en) 1977-04-15
JPS5198919A (en) 1976-08-31
FR2266918A1 (en) 1975-10-31
DE2514131B2 (en) 1976-05-06
US3911429A (en) 1975-10-07
DE2514131A1 (en) 1975-10-09
GB1472845A (en) 1977-05-11

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